A Study to Evaluate the Effectiveness of Ganglion Block on Headache Pain Secondary to Aneurysmal Subarachnoid Hemorrhage


About this study

The purpose of this study is to determine the feasibility of using SSPGB to reduce the self-reported headache pain that patients with aneurysmal SAH experience during their hospital admission.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Age 18 and older.
  • Aneurysmal subarachnoid hemorrhage (SAH) in anterior/middle posterior circulation  cerebral compartment.
  • Aneurysm must be secured endovascular with coiling.
  • The patient or patient’s surrogate should be able to give informed consent and understand the risks of this study.
  • Pain NRS ≥ 5/10 in severity.

Exclusion Criteria:

  • Non aneurysmal, traumatic subarachnoid hemorrhage (SAH).
  • Transcranial Doppler velocities suggestive of or approaching vasospasm.
  • Pregnancy.

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Narayan Kissoon, M.D.

Open for enrollment

Contact information:

Amy Headlee CCRP

(507) 422-0406


More information


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